Marine Grade Silicone Sealant Cartridge (White) – 304 ml .

Keep your RV, boat, or personal watercraft looking its best with 3M Marine Grade Silicone Sealant, specifically formulated for above-the-waterline sealing applications. This high-quality sealant provides a durable, weather-resistant barrier for hatches, dashboard components, deck hardware, portlights, and more, both inside and out.

Key Features & Benefits:

• Specifically Formulated for Marine Use: Designed to withstand the harsh marine environment, including UV exposure, temperature extremes, and moisture.
• Non-Shrinking Formula: Maintains its volume and won’t crack or shrink over time.
• Strong, Flexible Bond: Forms a tough yet flexible seal that accommodates movement and vibration.
• Excellent Adhesion: Bonds to a variety of surfaces, including paint, fiberglass, bare metal, glass, non-oily wood, many plastics, and abraded rubber.
• Mildew Resistant: Inhibits the growth of mildew, preventing degradation and discoloration.
• Non-Yellowing: Maintains its clear appearance and won’t yellow over time.
• Non-Sag Formula: Easy to apply, even on vertical surfaces.
• Ready to Use: No mixing required, applies directly from the container.
• Fast Tack-Free Time: Becomes tack-free in as little as 20 minutes.
• Cures in 24-48 Hours: Quickly cures to get you back on the water faster.

Ideal Applications:

3M Marine Grade Silicone Sealant is perfect for a variety of above-the-waterline sealing applications, including:

• Hatches
• Dashboard components
• Deck hardware
• Portlights
• Interior and exterior trim
• And many other marine sealing projects